The moon, discovered by Barnard, orbits Jupiter within the orbit of Io and was named Amalthea after the nymph who, according to Greek mythology, fed Zeus with goat's milk in his childhood. Images ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

Such work follows on from that done by NASA's Galileo Jupiter orbiter, which ended its mission with an intentional death dive into Jupiter's atmosphere in 1995. Galileo "did amazing science ...

In the 1990s, however, NASA's Galileo spacecraft captured magnetic measurements near Callisto that suggested that its ice shell surface—much like that of Europa, another moon of Jupiter—may ...

“They were all in line with the equator of Jupiter they all moved round… in a regular manner." This showed Galileo something extremely important - that the planets could orbit things other ...